{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x6b7c3253c5c2b72e5f7930476fb078e759242c478f2c842ab78f0488bbd6b1fc",
    "signature": "0x8413e20e0d7c7cdd3afe8d72eb671ebcafb26f909f45f1953cf4980d2c5119b1110a2c9a77e8e1f3c82d4e6a14c0df6cfe3fdc89a1b2e4fa735b7ff8352693a31b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}